Edith Windsor, center, is mobbed by journalists and supporters as she leaves the Supreme Court on March 27 in Washington, D.C. Windsor, 83, a lesbian who was ordered to pay a federal inheritance tax of $363,000 following the death of her partner of more than 40 years in 2009, is challenging the constitutionality of Section 3 of the Defense of Marriage Act. Chip Somodevilla, Getty Images

Plaintiff Edie Windsor, left, arrives with her lawyer, Roberta Kaplan, at the Supreme Court. Windsor, 83, a lesbian who was ordered to pay a federal inheritance tax of $363,000 following the death of her partner of more than 40 years in 2009, is challenging the constitutionality of Section 3 of the Defense of Marriage Act. Jewel Samad, AFP/Getty Images